CN210214103U - A equipment for powder is dry and screening - Google Patents

Abstract

The utility model discloses an equipment for powder is dry and screening, including heating bucket, screening case, transfer storehouse and storage vat, the heating bucket includes sealed zone of heating and the stirring district of placing the powder, and the stirring district is greater than the funnel shape of bottom for the top, and the stirring district is equipped with rotatable long screw rod and short screw rod, and the long screw rod extends to stirring district bottom from stirring district top, but is equipped with circulating flow's hot oil in the zone of heating. The utility model is a full-automatic drying and screening device with high efficiency; hot oil in the heating layer can play a role in drying and dehumidifying; the long screw and the short screw in the stirring area can stir the raw materials up and down, so that the raw materials are heated uniformly, and the drying degree is kept consistent; the last shale shaker of screening incasement can be with the large granule material that does not meet the requirements in the raw and other materials screening get rid of, and large granule material is discharged from the second waste material mouth.

Description

A equipment for powder is dry and screening

Technical Field

The utility model belongs to the technical field of the screening installation at powder material and specifically relates to an equipment that is used for powder drying and screening.

Background

The vacuum feeder is also called as a vacuum conveyor, and is a dust-free closed pipeline conveying device for conveying particles and powdery materials by means of vacuum suction, and the air pressure difference between vacuum and an environmental space is utilized to form air flow in a pipeline and drive the powdery materials to move, so that the powder conveying is completed. The advanced foreign vacuum technology is introduced in China, is continuously improved and improved, and is widely applied to various light and heavy industrial industries such as chemical industry, pharmacy, food, metallurgy, building materials, agricultural and sideline industries and the like.

The powdered finished product is prepared by crushing and grinding granular raw materials by a grinding machine, screening by a screen to prepare a finished product, and sucking the finished product into a finished product barrel by a vacuum feeding machine for storage. However, the granular raw materials contain moisture and are re-agglomerated into granules even after being ground, and equipment with a dehumidifying function needs to be designed for production.

Disclosure of Invention

The utility model aims to solve the technical problem that an equipment for powder drying and screening is provided, this equipment has set up the heating bucket that can dry the dehumidification to raw and other materials, filters the likepowder raw and other materials after will drying again.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: the utility model provides an equipment for powder is dry and screening, includes heating vat, screening case, transfer bin and storage vat, the heating vat include sealed zone of heating and place the stirring district of powder, the stirring district be the funnel shape that the top is greater than the bottom, the stirring district be equipped with rotatable long screw and short screw, long screw extend to stirring district bottom from stirring district top, the zone of heating in be equipped with the hot oil of circulated flow, stirring district bottom and screening case switch on, screening bottom of the case be equipped with first waste opening, the screening incasement be equipped with shale shaker and lower shale shaker, screening case side be equipped with the second waste opening that corresponds with last shale shaker, the screening case switch on with the transfer bin through finished product pipe, finished product pipe's position correspond with lower shale shaker, storage vat upper end be equipped with the inside first vacuum material loading machine that switches on with the storage vat, the transfer bin is connected with the first vacuum feeding machine through a first powder suction pipe.

As the utility model discloses further improve, heating barrel top be equipped with the motor, the motor drive the long screw rod respectively through 2 belts and the short screw rod is rotatory, the long screw rod be equipped with first stirring vane, the short screw rod be equipped with second stirring vane, first stirring vane's helical direction is opposite with second stirring vane's helical direction, second stirring vane's diameter is greater than first stirring vane's diameter. The motor can drive the long screw and the short screw to synchronously rotate, the long screw realizes that the raw material moves from top to bottom, and the short screw realizes that the raw material moves from bottom to top, so that the raw material is fully stirred in the heating barrel, and the heating barrel dries the moisture of the raw material in the stirring process; the rotating directions of the long screw and the short screw are consistent, so that the spiral directions of the stirring blades of the long screw and the short screw are reversed, and the long screw and the short screw can stir the raw materials up and down; because the short screw is short in length and low in stirring power, the diameter of the second stirring blade is larger than that of the first stirring blade, so that the uniform stirring power of the long screw and the short screw can be kept, and the condition that the stirring speed of the long screw is higher than that of the short screw cannot occur.

As the utility model discloses further improve, still including the workbin of throwing, heating bucket top be equipped with the feed inlet, feed inlet department be equipped with second vacuum material loading machine and second and inhale the powder pipe, the second inhale the powder pipe and stretch into in the workbin of throwing. The raw materials are poured into the feeding box, the second vacuum feeding machine drives the second powder suction pipe to suck the raw materials, and the second powder suction pipe conveys the sucked raw materials into the heating barrel.

As a further improvement, the top end of the heating barrel is provided with a dehumidification hole. After the raw material in the heating barrel is heated, the moisture is changed into water vapor and is discharged from the dehumidification hole.

As the utility model discloses further improve, heating bucket side be equipped with the staircase, the staircase pass through the overline bridge and be connected with heating bucket top. Workers can enter the top of the heating barrel through the escalator and the platform bridge to observe and maintain the heating barrel and related parts daily.

As the utility model discloses the further improvement still including having the oil tank of heating function and circulated transport hot oil, zone of heating side lower extreme be equipped with the oil-out, heating bucket top be equipped with the oil storage tank that switches on with the zone of heating, the oil storage tank top be equipped with the oil inlet, oil inlet and oil-out all switch on with the oil tank. The oil in the oil tank is heated and then input into the oil storage tank, the oil in the oil storage tank flows into the heating layer again, and the oil in the heating layer flows back to the oil tank from the oil outlet to be heated again.

As the utility model discloses further improve, heating barrel head portion be equipped with the discharge gate, the discharge gate be equipped with first valve, first valve switch on with the screening case. Open or close the discharge gate with first valve, after the raw and other materials of heating bucket are heated to the required degree of drying of production, just can open first valve, raw and other materials get into the screening case and carry out the screening.

As a further improvement, the storage vat bottom is provided with a second valve. The second valve can be opened when the material is taken.

The utility model has the advantages of full-automatic drying and screening equipment and high efficiency; hot oil in the heating layer can play a role in drying and dehumidifying; the long screw and the short screw in the stirring area can stir the raw materials up and down, so that the raw materials are heated uniformly, and the drying degree is kept consistent; the upper vibrating screen in the screening box can screen and remove large granular substances which do not meet the requirements in the raw materials, and the large granular substances are discharged from the second waste port; the lower vibrating screen in the screening box can screen and remove the small granular substances which do not meet the requirements in the raw materials, and the small granular substances are discharged from the first waste port; and finally, the finished product meeting the requirements flows into the transfer bin from the finished product pipe, and the finished product in the transfer bin is conveyed into the storage barrel for storage through the first powder suction pipe.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the heating barrel and the screening box of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

As shown in fig. 1-2: an apparatus for drying and screening powder comprises a heating barrel 1, a screening box 15, a transfer bin 14 and a storage barrel 11, wherein the heating barrel 1 comprises a sealed heating layer 1a and a stirring area 1b for placing powder, the stirring area 1b is in a funnel shape with the top end larger than the bottom end, the stirring area 1b is provided with a rotatable long screw 22 and a rotatable short screw 24, the long screw 22 extends to the bottom of the stirring area 1b from the top end of the stirring area 1b, hot oil capable of circularly flowing is filled in the heating layer 1a, the bottom of the stirring area 1b is communicated with the screening box 15, the bottom of the screening box 15 is provided with a first waste material port 15a, an upper vibrating screen 25 and a lower vibrating screen 26 are arranged in the screening box 15, the side surface of the screening box 15 is provided with a second waste material port 16 corresponding to the upper vibrating screen 25, the screening box 15 is communicated with the transfer bin 14 through a product pipe 13, the position of the product pipe 13 corresponds to the lower vibrating screen 26, the upper end of the storage barrel 11 is provided with a first vacuum, the transfer chamber 14 is connected with a first vacuum feeder 10 through a first powder suction pipe 9.

The top end of the heating barrel 1 is provided with a motor 6, the motor 6 drives a long screw 22 and a short screw 24 to rotate respectively through 2 belts 23, the long screw 22 is provided with a first stirring blade 22a, the short screw 24 is provided with a second stirring blade 24a, the spiral direction of the first stirring blade 22a is opposite to that of the second stirring blade 24a, and the diameter of the second stirring blade 24a is larger than that of the first stirring blade 22 a.

Still including throwing the workbin 17, heating barrel 1 top is equipped with feed inlet 1c, and feed inlet 1c department is equipped with second vacuum feeder 5 and second and inhales powder pipe 4, and the second inhales powder pipe 4 and stretches into in the workbin 17.

The top end of the heating barrel 1 is provided with a dehumidification hole 1 d.

The side of the heating barrel 1 is provided with an escalator 2, and the escalator 2 is connected with the top end of the heating barrel 1 through an overbridge 3.

The heating device is characterized by further comprising an oil tank 8 which has a heating function and can circularly convey hot oil, an oil outlet 1e is formed in the lower end of the side face of the heating layer 1a, an oil storage tank 7 which is communicated with the heating layer 1a is arranged at the top end of the heating barrel 1, an oil inlet 7a is formed in the top end of the oil storage tank 7, and the oil inlet 7a and the oil outlet 1e are both communicated with the oil tank 8.

Heating barrel 1 bottom is equipped with discharge gate 20, and discharge gate 20 is equipped with first valve 21, and first valve 21 switches on with screening case 15.

The bottom of the storage tank 11 is provided with a second valve 12.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (8)

1. The utility model provides an equipment for powder is dry and screening, includes heating vat, screening case, transfer bin and storage vat, its characterized in that the heating vat include sealed zone of heating and place the stirring district of powder, the stirring district be the top and be greater than the funnel shape of bottom, the stirring district be equipped with rotatable long screw rod and short screw rod, long screw rod extend to stirring district bottom from stirring district top, the zone of heating in be equipped with the hot oil of circulated flow, stirring district bottom and screening case switch on, screening bottom of the case be equipped with first waste opening, the screening incasement be equipped with shale shaker and lower shale shaker, screening case side be equipped with the second waste opening that corresponds with last shale shaker, the screening case switch on with the transfer bin through finished product pipe, finished product pipe's position correspond with lower shale shaker, storage vat upper end be equipped with the first vacuum material loading machine that switches on with the storage vat inside, the transfer bin is connected with the first vacuum feeding machine through a first powder suction pipe.

2. The apparatus according to claim 1, wherein the heating barrel has a motor at its top end, the motor drives the long screw and the short screw to rotate via 2 belts, the long screw has a first stirring blade, the short screw has a second stirring blade, the first stirring blade has a spiral direction opposite to that of the second stirring blade, and the second stirring blade has a diameter larger than that of the first stirring blade.

3. The apparatus of claim 1, further comprising a hopper, wherein a feed inlet is disposed at a top end of the heating barrel, a second vacuum feeder and a second powder suction pipe are disposed at the feed inlet, and the second powder suction pipe extends into the hopper.

4. An apparatus for powder drying and sizing according to claim 1, wherein the top end of the heated barrel is provided with a dehumidification orifice.

5. The apparatus of claim 1, wherein the heating barrel is provided with a staircase at a side thereof, and the staircase is connected to a top end of the heating barrel through an overpass.

6. The apparatus of claim 1, further comprising an oil tank having a heating function and capable of circularly conveying hot oil, wherein an oil outlet is formed in the lower end of the side surface of the heating layer, an oil storage tank communicated with the heating layer is arranged at the top end of the heating barrel, an oil inlet is formed in the top end of the oil storage tank, and the oil inlet and the oil outlet are both communicated with the oil tank.

7. The apparatus of claim 1, wherein the bottom of the heating barrel is provided with a discharge port, the discharge port is provided with a first valve, and the first valve is communicated with the screening box.

8. The apparatus of claim 1, wherein the bottom of the storage bin is provided with a second valve.

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